US Patent Issued to MITSUBISHI CHEMICAL on Nov. 18 for "Ethylene-vinyl alcohol copolymer composition, pellets, and multilayer structure" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,421, issued on Nov. 18, was assigned to MITSUBISHI CHEMICAL Corp. (Tokyo).

"Ethylene-vinyl alcohol copolymer composition, pellets, and multilayer structure" was invented by Shintaro Usui (Tokyo), Daichi Nishimura (Tokyo) and Minako Ikeshita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) a compound containing a conjugated polyene structure; and (C) an iron compound; wherein the iron compound (C) is present in an amount of 0.01 to 20 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition. The ethylene-viny...